The midwives feared God - Because they knew that God had forbidden murder of every kind; for though the law was not yet given, Exodus 20:13, being Hebrews they must have known that God had from the beginning declared, Whosoever sheddeth man's blood, by man shall his blood be shed, Genesis 9:6. Therefore they saved the male children of all to whose assistance they were called. See Clarke's note on Exodus 1:19.

feared God.

Genesis 20:11 And Abraham said, Because I thought, Surely the fear of God is not in this place; and they will slay me for my wife's sake.

Genesis 42:18 And Joseph said to them the third day, This do, and live; for I fear God:

Nehemiah 5:15 But the former governors that had been before me were chargeable to the people, and had taken of them bread and wine...

Psalm 31:19 Oh how great is your goodness, which you have laid up for them that fear you...

Proverbs 8:13 The fear of the LORD is to hate evil: pride, and arrogance, and the evil way, and the fraudulent mouth, do I hate.

Proverbs 16:6 By mercy and truth iniquity is purged: and by the fear of the LORD men depart from evil.

Proverbs 24:11,12 If you forbear to deliver them that are drawn to death, and those that are ready to be slain...

Ecclesiastes 8:12 Though a sinner do evil an hundred times, and his days be prolonged, yet surely I know that it shall be well with them that fear God...

Ecclesiastes 12:13 Let us hear the conclusion of the whole matter: Fear God, and keep his commandments: for this is the whole duty of man.

Daniel 3:16-18 Shadrach, Meshach, and Abednego, answered and said to the king, O Nebuchadnezzar, we are not careful to answer you in this matter...

Daniel 6:13 Then answered they and said before the king, That Daniel, which is of the children of the captivity of Judah, regards not you, O king...

Hosea 5:11 Ephraim is oppressed and broken in judgment, because he willingly walked after the commandment.

Micah 6:16 For the statutes of Omri are kept, and all the works of the house of Ahab, and you walk in their counsels...

Matthew 10:28 And fear not them which kill the body, but are not able to kill the soul...

Luke 12:5 But I will forewarn you whom you shall fear: Fear him, which after he has killed has power to cast into hell; yes, I say to you...

Acts 4:19 But Peter and John answered and said to them, Whether it be right in the sight of God to listen to you more than to God, judge you.

Acts 5:29 Then Peter and the other apostles answered and said, We ought to obey God rather than men.

But, as for that which is Written, that God did Good to the Hebrew...
32. But, as for that which is written, that God did good to the Hebrew midwives, and to Rahab the harlot of Jericho, [2444] this was not because they lied, but because they were merciful to God's people. That therefore which was rewarded in them was, not their deceit, but their benevolence; benignity of mind, not iniquity of lying. [2445] For, as it would not be marvellous and absurd if God on account of good works after done by them should be willing to forgive some evil works at another time before …
St. Augustine—Against Lying